package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {
//    @Select("select count(*) from emp")
//    public Long count();
//
//    @Select("select * from emp limit #{start},#{pageSize}")
//    public List<Emp> page(int start,int pageSize);

//    @Select("select * from emp")
    public List<Emp> page(String name, Short gender, LocalDate begin, LocalDate end);

    void delete(List<Integer> ids);

    @Insert("insert into emp (username, name, gender, image, job, entrydate, dept_id, create_time, update_time)" +
            "values(#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id}")
    Emp getById(Integer id);

    void update(Emp emp);

    /**
     * 根据用户名和密码查询员工
     * @param emp
     * @return null or emp
     */
    @Select("select * from emp where username=#{username} and password=#{password}")
    Emp getByUsernameAndPassword(Emp emp);

    @Delete("delete from emp where dept_id = #{id}")
    void deleteByDeptId(Integer id);
}
